Granted Patent
Utility
US 6,661,322 · App. 09/926,837
Sound-insulating device for an induction machine
Inventor:
Jan Anger
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Mar 22, 2002
Inventor
Jan Anger
Assignee (at issue)
ABB T&D Technology, Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.